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CMCs General Physics (32)
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Fluid flow (32)
Gas flowrate (15)
Air speed (6)
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Japan (32)
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Your query 'Japan' produced 32 results New search
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Japan, NMIJ (National Metrology Institute of Japan)
Complete CMCs in Mass and related quantities for Japan (.PDF file)
Air speed. Anemometer, 0.05 m/s to 1.5 m/s
Absolute expanded uncertainty (k = 2, level of confidence 95%) in m/s: [0.0069 + (0.025v + 0.005)2], v air speed in m/s
Tow carriage in underground tunnel
Temperature: ambient
Pressure: ambient
Width, height and length of test section: 2 m, 2 m, 35 m
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-AS-10
 
Gas flowrate. Gas meter, 0.008 g/min to 0.3 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0013/Qm + 0.055), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: methane
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-19
 
Gas flowrate. Gas meter, 0.3 g/min to 300 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0006Qm + 0.06), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: methane
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-19
 
Gas flowrate. Gas meter, 0.010 mg/min to 5 mg/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.42
Static, PVTt, (flying start / finish)
Fluid: nitrogen, dry air
Pressure: 20 kPa to 90 kPa (abs)
Temperature: 24 °C to 26 °C (controlled)
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-26
 
Hydrocarbon flowrate. Oil meter, 4.4E-06 kg/s to 2.2E-04 kg/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.050
Static, gravimetric, (flying start / finish)
Fluid: hydrocarbon (light oil, kerosene)
Pressure: 100 kPa to 400 kPa (gauge)
Temperature: 15 °C to 35 °C (controlled)
Test line: 3.175 mm to 12.7 mm
Weigh tank: 0.1 kg
Volume flowrate: 0.02 L/h to 1 L/h with expanded uncertainty of 0.078 %. Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-OS-11
 
Air speed. Pilot tube, 40 m/s to 90 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.63
Wind tunnel
Temperature: ambient
Pressure: ambient
Test section; open circular, diameter: 100 mm
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-AM-23
 
Gas flowrate. Gas meter, 0.005 g/min to 0.1 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0006/Qm + 0.045), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: nitrogen, dry air
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Volume flowrate: 0.07 cm3/s to 1.40 cm3/s with expanded uncertainty of (0.0085/Qv + 0.045) %, Qv volume flowrate in cm3/s
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-11
 
Gas flowrate. Gas meter, 0.1 g/min to 400 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.001Qm + 0.05), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: nitrogen, dry air
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Volume flowrate: 1.40 cm3/s to 5627 cm3/s with expanded uncertainty of (0.00007Qv + 0.05) %, Qv volume flowrate in cm3/s
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-11
 
Gas flowrate. Gas meter, 0.01 g/min to 0.2 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.002/Qm + 0.04), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: argon
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-13
 
Gas flowrate. Gas meter, 0.2 g/min to 110 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0006Qm + 0.05), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: argon
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-13
 
Gas flowrate. Gas meter, 0.1 g/min to 0.5 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.02/Qm + 0.02), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: helium
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-15
 
Gas flowrate. Gas meter, 0.5 g/min to 30 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.005Qm + 0.06), Qm mass flowrate in g/min
Static, gravimetric, (flying start / finish)
Fluid: helium
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Weigh tank: 10 kg, 30 kg
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-15
 
Gas flowrate. Gas meter, 0.005 g/min to 0.1 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0006/Qm + 0.065), Qm mass flowrate in g/min
Critical nozzle
Fluid: nitrogen, dry air
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Test line: 4 mm to 13 mm
Volume flowrate: 0.07 cm3/s to 1.40 cm3/s with expanded uncertainty of (0.0085/Qv + 0.065) %, Qv volume flowrate in cm3/s
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-21
 
Gas flowrate. Gas meter, 0.1 g/min to 400 g/min
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: (0.0011Qm + 0.07), Qm mass flowrate in g/min
Critical nozzle
Fluid: nitrogen, dry air
Pressure: 50 kPa to 650 kPa (abs)
Temperature: ambient
Test line: 4 mm to 13 mm
Volume flowrate: 1.40 cm3/s to 2532 cm3/s with expanded uncertainty of (0.00008Qv + 0.07) %, Qv volume flowrate in cm3/s
Approved on 11 April 2019
Internal NMI service identifier: NMIJ/FF-GS-22
 
Gas flowrate. Gas meter, 1.7 g/s to 333 g/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.17
Static, PVTt, (flying start / finish)
Fluid: dry air
Pressure: 100 kPa to 500 kPa (abs)
Temperature: ambient
Constant volume tank: 11 m3
Volume flowrate: 5 m3/h to 200 m3/h with same uncertainty
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-GM-10
 
Gas flowrate. Gas meter, 1.7 g/s to 1670 g/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.28
Critical nozzle
Fluid: dry air
Pressure: 100 kPa to 500 kPa (abs)
Temperature: ambient
Test line: 50 mm to 150 mm
Volume flowrate: 5 m3/h to 1000 m3/h with same uncertainty
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-GM-20
 
Air speed. LDA, 1.3 m/s to 27.5 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: [0.091 + 0.22/(v2 - 0.9v)], v air speed in m/s
Spinning disc with fine wire
Temperature: ambient
Pressure: ambient
Focal length: > 250 mm
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-AM-11
 
Air speed. LDA, 27.5 m/s to 40 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: [-0.0002386v3 + 0.02331v2 - 0.7409v + 7.801], v air speed in m/s
Spinning disc with fine wire
Temperature: ambient
Pressure: ambient
Focal length: > 250 mm
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-AM-12
 
Air speed. Anemometer, 1.3 m/s to 27.5 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: [0.297 + 0.27/(v2 - 0.77v)], v air speed in m/s
Wind tunnel with LDA
Temperature: ambient
Pressure: ambient
Width, height and length of test section: 0.4 m, 0.4 m, 2 m
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-AM-21
 
Air speed. Anemometer, 27.5 m/s to 40 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: [-0.0001185v3 + 0.01157v2 - 0.3677v + 4.124], v air speed in m/s
Wind tunnel with LDA
Temperature: ambient
Pressure: ambient
Width, height and length of test section: 0.4 m, 0.4 m, 2 m
Approved on 09 January 2014
Internal NMI service identifier: NMIJ/FF-AM-22